netdev - Re: [PATCH net-next 1/2] net: netfilter: export xt_policy match_policy_in() as xt_policy_match_policy

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Message-ID: <CAHsH6GtuKyBHdUk5CoA_U6tNX9dbhhLO0jVsX2Jw5zaVHOoM8A@mail.gmail.com>
Date:   Fri, 12 Jan 2018 15:56:21 +0200
From:   Eyal Birger <eyal.birger@...il.com>
To:     Pablo Neira Ayuso <pablo@...filter.org>
Cc:     netdev@...r.kernel.org, Jamal Hadi Salim <jhs@...atatu.com>,
        coreteam@...filter.org, shmulik@...anetworks.com,
        Eyal Birger <eyal@...anetworks.com>
Subject: Re: [PATCH net-next 1/2] net: netfilter: export xt_policy
 match_policy_in() as xt_policy_match_policy_in()

On Fri, Jan 12, 2018 at 3:41 PM, Pablo Neira Ayuso <pablo@...filter.org> wrote:
> On Fri, Jan 12, 2018 at 02:57:24PM +0200, Eyal Birger wrote:
>> @@ -51,9 +52,9 @@ match_xfrm_state(const struct xfrm_state *x, const struct xt_policy_elem *e,
>>              MATCH(reqid, x->props.reqid);
>>  }
>>
>> -static int
>> -match_policy_in(const struct sk_buff *skb, const struct xt_policy_info *info,
>> -             unsigned short family)
>> +int xt_policy_match_policy_in(const struct sk_buff *skb,
>> +                           const struct xt_policy_info *info,
>> +                           unsigned short family)
>>  {
>>       const struct xt_policy_elem *e;
>>       const struct sec_path *sp = skb->sp;
>> @@ -80,10 +81,11 @@ match_policy_in(const struct sk_buff *skb, const struct xt_policy_info *info,
>>
>>       return strict ? 1 : 0;
>>  }
>> +EXPORT_SYMBOL_GPL(xt_policy_match_policy_in);
>
> If you just want to call xt_policy_match from tc, then you could use
> tc ipt infrastructure instead.

Thanks for the suggestion -
Are you referring to act_ipt? it looks like it allows calling targets;
I couldn't
find a classifier calling a netfilter matcher.

Eyal.